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Diffstat (limited to 'src/mame/drivers/novag_sexpert.cpp')
-rw-r--r--src/mame/drivers/novag_sexpert.cpp3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/mame/drivers/novag_sexpert.cpp b/src/mame/drivers/novag_sexpert.cpp
index c6be3731712..b769dd64523 100644
--- a/src/mame/drivers/novag_sexpert.cpp
+++ b/src/mame/drivers/novag_sexpert.cpp
@@ -331,7 +331,8 @@ void sforte_state::lcd_data_w(u8 data)
void sexpert_state::sexpert_map(address_map &map)
{
- map(0x0000, 0x1fef).ram().share("nvram"); // 8KB RAM, but RAM CE pin is deactivated on $1ff0-$1fff
+ map(0x0000, 0x1fff).ram().share("nvram");
+ map(0x1ff0, 0x1fff).unmaprw(); // 8KB RAM, but RAM CE pin is deactivated on $1ff0-$1fff
map(0x1ff0, 0x1ff0).r(FUNC(sexpert_state::input1_r));
map(0x1ff1, 0x1ff1).r(FUNC(sexpert_state::input2_r));
map(0x1ff2, 0x1ff2).nopw(); // printer